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L(-)-Tryptophan 98.5-101.5% USP

Supplier: Avantor Performance Materials
Synonyms: H-Trp-OH

Food GMP Manufactured Product
GMP Manufactured Product
Meets E.P. Chemical Specifications
Meets F.C.C. Requirements
Meets J.P. Chemical Specifications
Meets U.S.P Requirements


Formula: C₁₁H₁₂N₂O₂
MW: 204,23 g/mol
Melting Pt: 290 °C
Density: 1,34 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00064340
CAS Number: 73-22-3
EINECS: 200-795-6
UN: 0000
Merck Index: 12,09929
Specification Test Results
Meets J.P. Chemical Specifications 98.5 - 101.5 %
Meets U.S.P Requirements Passes Test
GMP Manufactured Product -32.8 - -29.4 Degree
Meets E.P. Chemical Specifications 5.5 - 7.0
Meets F.C.C. Requirements <= 0.3 %
Food GMP Manufactured Product <= 0.1 %
Bulk Pharmaceutical Chemical <= 0.05 %
Bulk Food Chemical <= 0.03 %
USP - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.5 %
USP - Identification Passes Test
USP - Specific Rotation [Å]²⁵ D -32.8 - -29.4 Degree
USP - pH 5.5 - 7.0
USP - Loss on Drying at 105°C <= 0.3 %
USP - Residue on Ignition <= 0.1 %
USP - Chloride (Cl) <= 0.05 %
USP - Sulfate (SO₄) <= 0.03 %
USP - Iron (Fe) <= 0.003 %
USP - Organic Impurities - Total Impurities 1 <= 0.01 %
USP - Organic Impurities - Total Impurities 2 <= 0.03 %
USP - Organic Impurities - Tryptophan Related Compound A <= 10 ppm
FCC - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.5 %
FCC - Identification Passes Test
FCC - Lead (Pb) <= 5 mg/kg
FCC - Loss on Drying at 105°C <= 0.3 %
FCC - Residue on Ignition <= 0.1 %
FCC - Specific Rotation [Å]²⁵ D -32.7 - -29.7 Degree
JP - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.0 %
JP - Identification Passes Test
JP - Specific Rotation [Å]²⁰ D -33.0 - -30.0 Degree
JP - pH 5.4 - 6.4
JP - Clarity and Color of Solution Passes Test
JP - Chloride (Cl) <= 0.021 %
JP - Sulfate (SO₄) <= 0.028 %
JP - Ammonium (NH₄) <= 0.02 %
JP - Heavy Metals (as Pb) <= 20 ppm
JP - Arsenic (As) <= 2 ppm
JP - Related Substances Passes Test
JP - Loss on Drying at 105°C <= 0.30 %
JP - Residue on Ignition <= 0.10 %
Endotoxin Concentration, IU/mg For Information Only
EP - Identification A Passes Test
EP - Identification B Passes Test
EP - Appearance of Solution Passes Test
EP - Specific Optical Rotation [Å]²⁰ D -33.0 - -30.0 Degree
EP/BP-Ninhydrin-Positive Substances-Each <= 0.2 %
EP/BP-Ninhydrin-Positive Substances-Total Impurities <= 0.5 %
EP - 1,1'Ethylidenebistryptophan <= 10 ppm
EP - Sum of the Areas less than TryptophanÆ <= 100 ppm
EP - Sum of the Areas greater than TryptophanÆ <= 300 ppm
EP - Chloride (Cl) <= 200 ppm
EP - Sulfate (SO₄) <= 300 ppm
EP/BP - Ammonium (NH₄) <= 0.02 %
EP - Iron (Fe) <= 20 ppm
EP - Loss on Drying at 105°C <= 0.5 %
EP - Sulfated Ash <= 0.1 %
EP - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.0 %

 

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poly bottle 1 kg 2092-06
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